 /*******************************************************************************
  * Copyright (c) 2003, 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.osgi.framework.eventmgr;

 /**
  * ListElement is a package private class. This class
  * represents a primary object (e.g. listener) and its companion object.
  * ListElements are stored in EventListeners.
  * ListElements are immutable.
  */

 class ListElement {
     /**
      * Primary object.
      */
     final Object primary;

     /**
      * Companion object.
      */
     final Object companion;

     /**
      * Constructor for ElementList element
      * @param primary Primary object in element. Used for uniqueness.
      * @param companion Companion object stored with primary object.
      */
     ListElement(final Object primary, final Object companion) {
         this.primary = primary;
         this.companion = companion;
     }
 }
